Sbm
abbr. submersible 深潜器; submission 屈服; submit 屈服; 呈送
🗣️ 情景例句
I hope you're all enjoying the exhibition.
我希望你们都喜欢这个展览
It is easier to descend than to ascend.
下降容易上升难。
I mean it.
我是认真的。